NSN 1680-00-237-5781 · NIIN 002375781 · Part number 1202645-103
H-B Instrument Co · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 26659
Government record, cited
NSN 1680-00-237-5781 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-237-5781. Manufacturer of record part number: 1202645-103.
Also searched as1680-00-237-5781 ·
1680002375781 ·
NIIN 002375781 ·
00-237-5781 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 26659 · 1202645-103
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 1202645-103
Manufacturer: H-B Instrument Co
General Description
The Torque Tube Assembly,aircraft, cataloged under National Stock Number 1680-00-237-5781, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is H-B Instrument Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Torque Tube Assembly,aircraft
FSC / FSG
1680 — Miscellaneous Aircraft Accessories and Components (FSG 16)
Manufacturers
H-B Instrument Co (CAGE 26659)
Technical Specifications
Parameter
Value
NSN
1680-00-237-5781
Primary Part Number
1202645-103
Item Name
Torque Tube Assembly,aircraft
FSC / FSG
1680 / 16 — Miscellaneous Aircraft Accessories and Components
Other items in FSC 1680 — Miscellaneous Aircraft Accessories and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1680-00-001-1736
DUCT ASSEMBLY,BRANCHED
1680-00-003-3721
1680-00-003-3721 · Item name not on file
1680-00-009-3782
PISTON,EJECTOR,INNER
1680-00-009-6180
1680-00-009-6180 · Item name not on file
1680-00-475-0002
TIP,RUBBER CONTROL
1680-00-696-6170
ADAPTER,SCREW END A
1680-00-867-7158
COVER,GEARCASE
1680-00-885-0923
KNOB ASSY,LANDING G
Frequently Asked Questions
What is NSN 1680-00-237-5781?
NSN 1680-00-237-5781 is a Torque Tube Assembly,aircraft, manufactured by H-B Instrument Co, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-00-237-5781?
NSN 1680-00-237-5781 has 1 manufacturer part number on file: 1202645-103 (H-B Instrument Co).
Is NSN 1680-00-237-5781 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1680-00-237-5781?
NSN 1680-00-237-5781 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.